A hitman known as Mr Rent-a-Kill left his apartment building in Sydney one morning in 1985 and was never seen or heard from again.

Melissa Ann Shepard found partners online and fooled them with her charm. But greed got the better of her…

Falling in line with the age-old tradition of narrating a holiday ghost story, we bring you the wonderfully dark short story by Algernon Blackwood, The Kit-bag.

After being stalked over the phone for months, Dorothy strangely disappeared never to be seen again. Who was her stalker and did he kill her?

In the 1960s three Glasgow women met a bible quoting man called John at local dance halls. In all three cases the night out ended in murder.

In 1980, an 11-year-old boy didn’t show up for school and was never seen or heard from again. His parents believe they know who took him.

Lisa Montgomery visited the 8-month-pregnant Bobbie Jo Stinnett and left the new mother dead after cutting her baby from her womb.

After being subjected to an all-night exorcism, a mild-mannered man went home and brutally killed his beloved wife with his bare hands. 

A North Korean state-sponsored hacking organisation was believed to be behind cyber-attacks on Sony Pictures & The Bangladesh central bank. 

In 1990 Helsinki police re-opened a ten-year-old murder investigation and eventually unmasked a serial killer and arsonist, Ismo Junni.

A poison pen campaign targeted prominent civil servants. Because of it careers ended, marriages took strain and two people lost their lives.

13-year-old Aarushi Talwar and servant Hemraj Banjade were both brutally murdered. What occurred in the family apartment remains a mystery.

18-year-old Nick Howard took out a life insurance policy shortly before dying under mysterious circumstances. Who was to benefit?

He cut locks of hair from unsuspecting women on public transport. Then he incorporated his fetish in two salacious murders.

The women of Nagyrév banded together to get rid of their abusive husbands by poisoning them. Then, everything spiralled out of control.

Sharon Kinne was an unscrupulous woman who deceived, cheated and killed. But even a prison sentence was not enough to contain La Pistolera.

The identity of a dead woman found in Norway remains a mystery. Was she a spy, a criminal, or simply someone who did not want to be found? 

The body of a young woman was discovered, tied up in canvas. She became known as Tent Girl and remained unidentified for another 30 years.

When lyricist for the band Manic Street Preachers, Richey Edwards, disappeared after checking out of a London hotel, a trail of strange clues stayed behind.

When the mistress of a pastor confessed to killing his wife, it seemed like an open-and-shut case. But that was only the tip of the iceberg…